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To save our bandwidth, we show only a snippet of code around each occurence of the hook. View complete file in SVN (without highlighting).
The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )apply_filters( "hook_name", "what_to_filter" ).Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
This hook occurs 2 times in this file.
| Line | Code |
|---|---|
| 1851 | * @global bool $concatenate_scripts |
| 1852 | * |
| 1853 | * @return array |
| 1854 | */ |
| 1855 | function print_head_scripts() { |
| 1856 | global $concatenate_scripts; |
| 1857 | |
| 1858 | if ( ! did_action( 'wp_print_scripts' ) ) { |
| 1859 | /** This action is documented in wp-includes/functions.wp-scripts.php */ |
| 1860 | do_action( 'wp_print_scripts' ); |
| 1861 | } |
| 1862 | |
| 1863 | $wp_scripts = wp_scripts(); |
| 1864 | |
| 1865 | script_concat_settings(); |
| 1866 | $wp_scripts->do_concat = $concatenate_scripts; |
| 1867 | $wp_scripts->do_head_items(); |
| 1868 | |
| 1869 | /** |
| Line | Code |
| 1969 | * @since 2.8.0 |
| 1970 | * |
| 1971 | * @global WP_Scripts $wp_scripts |
| 1972 | * |
| 1973 | * @return array |
| 1974 | */ |
| 1975 | function wp_print_head_scripts() { |
| 1976 | if ( ! did_action( 'wp_print_scripts' ) ) { |
| 1977 | /** This action is documented in wp-includes/functions.wp-scripts.php */ |
| 1978 | do_action( 'wp_print_scripts' ); |
| 1979 | } |
| 1980 | |
| 1981 | global $wp_scripts; |
| 1982 | |
| 1983 | if ( ! ( $wp_scripts instanceof WP_Scripts ) ) { |
| 1984 | return array(); // No need to run if nothing is queued. |
| 1985 | } |
| 1986 | return print_head_scripts(); |
| 1987 | } |